ClinVar Miner

Submissions for variant NM_000051.4(ATM):c.6115G>A (p.Glu2039Lys)

dbSNP: rs864622251
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Total submissions: 11
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000204272 SCV000259858 pathogenic Ataxia-telangiectasia syndrome 2023-11-21 criteria provided, single submitter clinical testing This sequence change replaces glutamic acid, which is acidic and polar, with lysine, which is basic and polar, at codon 2039 of the ATM protein (p.Glu2039Lys). This variant is present in population databases (no rsID available, gnomAD 0.003%). This missense change has been observed in individuals with ataxia-telangiectasia and/or breast cancer (PMID: 19781682, 22071889, 26896183, 30303537, 30549301; Invitae). ClinVar contains an entry for this variant (Variation ID: 219787). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be tolerated. Experimental studies have shown that this missense change affects ATM function (PMID: 19431188, 22071889). For these reasons, this variant has been classified as Pathogenic.
GeneDx RCV000255601 SCV000322164 likely pathogenic not provided 2023-10-26 criteria provided, single submitter clinical testing Published functional studies demonstrate a damaging effect: reduced kinase activity compared to wild type (PMID: 19431188, 22071889); Observed with a second ATM variant in patients with clinical features of ataxia-telangiectasia but it is not known whether the variants occurred on the same (in cis) or opposite (in trans) alleles (PMID: 22071889, 30549301); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Not observed at significant frequency in large population cohorts (gnomAD); This variant is associated with the following publications: (PMID: 22071889, 19781682, 30549301, 23532176, 33471991, 28975465, 19431188, 30303537, 35892882, 32295079, 33280026, 35893033, 26896183)
Ambry Genetics RCV000574550 SCV000667845 likely pathogenic Hereditary cancer-predisposing syndrome 2024-01-29 criteria provided, single submitter clinical testing The p.E2039K variant (also known as c.6115G>A), located in coding exon 41 of the ATM gene, results from a G to A substitution at nucleotide position 6115. The glutamic acid at codon 2039 is replaced by lysine, an amino acid with similar properties. This variant has been detected in multiple individuals diagnosed with breast cancer (Tavtigian S et al. Am J Hum Genet. 2009 Oct;85(4):427-46; Siraj AK et al. Hum Genet, 2017 11;136:1431-1444; Girard E et al. Int J Cancer, 2019 04;144:1962-1974; Dorling et al. N Engl J Med. 2021 02;384:428-439; BenAyed-Guerfali D et al. Genes (Basel), 2022 Jul;13:; Bu R et al. Sci Rep, 2023 Nov;13:20924). Additionally, this variant has been identified in individuals diagnosed with prostate cancer (Mondschein R et al. Cancers (Basel), 2022 Jul;14:). This variant has been identified in the homozygous state and likely in trans with another ATM variant in individuals diagnosed with ataxia telangiectasia (Jacquemin V et al. Eur J Hum Genet, 2012 Mar;20:305-12; Schon K et al. Ann Neurol, 2019 02;85:170-180). Additional investigation has demonstrated stable, normally-localized ATM protein, but reduced kinase activity associated with p.E2039K compared to wild type (Barone G et al. Hum. Mutat. 2009 Aug; 30(8):1222-30. Jacquemin V et al. Eur. J. Hum. Genet. 2012 Mar; 20(3):305-12). This variant is considered to be rare based on population cohorts in the Genome Aggregation Database (gnomAD). This amino acid position is highly conserved in available vertebrate species. In addition, the in silico prediction for this alteration is inconclusive. Based on the majority of available evidence to date, this variant is likely to be pathogenic.
Color Diagnostics, LLC DBA Color Health RCV000574550 SCV000908453 likely pathogenic Hereditary cancer-predisposing syndrome 2023-10-17 criteria provided, single submitter clinical testing This missense variant replaces glutamic acid with lysine at codon 2039 of the ATM protein. Computational prediction is inconclusive regarding the impact of this variant on protein structure and function (internally defined REVEL score threshold 0.5 < inconclusive < 0.7, PMID: 27666373). Functional studies have reported that this variant does not affect protein expression but causes a reduction in kinase activity. In a large international case-control study, this variant was reported in 2/60464 breast cancer cases and 0/53461 controls (PMID: 33471991). This variant has been reported in additional individuals affected with breast cancer (PMID: 19781682, 28975465, 30303537, 35893033. This variant has also been reported in an individual affected with variant ataxia-telangiectasia with a co-occurring pathogenic variant, c.8609_8610delAT (p.Asp2870GlufsTer10), in unknown phase (PMID: 30549301). This variant was identified in a second individual affected with ataxia-telangiectasia with a co-occurring variant of uncertain significance, c.6491A4C (p.Glu2164Ala), in unknown phase (PMID: 22071889). This variant has been identified in 1/251392 chromosomes in the general population by the Genome Aggregation Database (gnomAD). Based on the available evidence, this variant is classified as Likely Pathogenic.
Spanish ATM Cancer Susceptibility Variant Interpretation Working Group RCV000574550 SCV001911472 uncertain significance Hereditary cancer-predisposing syndrome 2020-06-17 criteria provided, single submitter clinical testing The c.6115G>A (p.Glu2039Lys) variant appears only once in the gnomAD v2.1.1 non-cancer dataset (0.0004% frequency), specifically in the South Asian subpopulation (PM2; http://gnomad.broadinstitute.org). This missense variant is not predicted to lead to a splicing alteration as per SPiCE predictor and no splicing site is created/activated according to at least 3 splicing predictors of the set SpliceSiteFinderlike - MaxEntScan - NNSplice – GeneSplicer, but it alters the protein function / structure on the in-silico prediction reports of REVEL and PROVEAN (PP3). Functional studies with the variant protein modelled in an ATM-null lymphoblastoid cell line and proper controls showed that the protein was stable but but retained relatively little kinase activity (no functional criterion met; PMID: 19431188). The variant was found in one ataxia telangiectasia proband with another missense variant (PS4_Supporting; PMID: 22071889). There is no other supporting data that meet criteria for consideration. Therefore, the clinical significance of this variant is uncertain. Adapted ACMG/AMP rules applied as defined by the Spanish ATM working group: PM2 + PP3 + PS4_Supporting (PMID: 33280026).
Sema4, Sema4 RCV000574550 SCV002537111 likely pathogenic Hereditary cancer-predisposing syndrome 2022-01-26 criteria provided, single submitter curation
Biomedical Genomics and Oncogenetics Laboratory, Institut Pasteur de Tunis, University Tunis El Manar RCV003334385 SCV003919093 pathogenic Familial cancer of breast criteria provided, single submitter clinical testing
Baylor Genetics RCV003334385 SCV004212130 likely pathogenic Familial cancer of breast 2023-01-03 criteria provided, single submitter clinical testing
PreventionGenetics, part of Exact Sciences RCV004547473 SCV004721134 likely pathogenic ATM-related disorder 2024-01-13 criteria provided, single submitter clinical testing The ATM c.6115G>A variant is predicted to result in the amino acid substitution p.Glu2039Lys. This variant has been observed in multiple individuals with breast cancer (Table S2 - Tavtigian et al. 2009. PubMed ID: 19781682; Table S4 - Siraj et al. 2017. PubMed ID: 28975465). Additionally, this variant has been reported with another variant in the compound heterozygous state in an individual with ataxia-telangiectasia (Jacquemin et al. 2012. PubMed ID: 22071889). Functional studies demonstrated reduced kinase activity (Barone et al. 2009. PubMed ID: 19431188) and defective response to ionizing radiation (Jacquemin et al. 2012. PubMed ID: 22071889). This variant is reported in 0.0033% of alleles in individuals of South Asian descent in gnomAD and has conflicting interpretations of pathogenicity of uncertain and likely pathogenic in ClinVar (https://www.ncbi.nlm.nih.gov/clinvar/variation/219787/). This variant is interpreted as likely pathogenic.
Myriad Genetics, Inc. RCV003334385 SCV004931121 likely pathogenic Familial cancer of breast 2024-01-29 criteria provided, single submitter clinical testing This variant is considered likely pathogenic. This variant has been reported in multiple individuals with clinical features of gene-specific disease [PMID: 22071889, 30549301, 27142713]. Functional studies indicate this variant impacts protein function [PMID: 19431188, 30549301].
CZECANCA consortium RCV001270952 SCV001451756 likely pathogenic Breast and/or ovarian cancer 2019-06-11 no assertion criteria provided clinical testing

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